o3tl/qa/cow_wrapper_clients.hxx

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  19
  20 #ifndef INCLUDED_COW_WRAPPER_CLIENTS_HXX
  21 #define INCLUDED_COW_WRAPPER_CLIENTS_HXX
  22
  23 #include "o3tl/cow_wrapper.hxx"
  24
  25 /* Definition of Cow_Wrapper_Clients classes */
  26
  27 namespace o3tltests {
  28
  29 /** This is a header and a separate compilation unit on purpose -
  30     cow_wrapper needs destructor, copy constructor and assignment
  31     operator to be outline, when pimpl idiom is used
  32  */
  33
  34 /// test non-opaque impl type
  35 class cow_wrapper_client1
  36 {
  37 public:
  38     cow_wrapper_client1() : maImpl() {}
  39     explicit cow_wrapper_client1( int nVal ) : maImpl(nVal) {}
  40
  41     void modify( int nVal ) { *maImpl = nVal; }
  42     int  queryUnmodified() const { return *maImpl; }
  43
  44     void makeUnique() { maImpl.make_unique(); }
  45     bool is_unique() const { return maImpl.is_unique(); }
  46     oslInterlockedCount use_count() const { return maImpl.use_count(); }
  47     void swap( cow_wrapper_client1& r ) { o3tl::swap(maImpl, r.maImpl); }
  48
  49     bool operator==( const cow_wrapper_client1& rRHS ) const { return maImpl == rRHS.maImpl; }
  50     bool operator!=( const cow_wrapper_client1& rRHS ) const { return maImpl != rRHS.maImpl; }
  51     bool operator<( const cow_wrapper_client1& rRHS ) const { return maImpl < rRHS.maImpl; }
  52
  53 private:
  54     o3tl::cow_wrapper< int > maImpl;
  55 };
  56
  57
  58 class cow_wrapper_client2_impl;
  59
  60 /** test opaque impl type - need to explicitly declare lifetime
  61     methods
  62  */
  63 class cow_wrapper_client2
  64 {
  65 public:
  66     cow_wrapper_client2();
  67     explicit cow_wrapper_client2( int nVal );
  68     ~cow_wrapper_client2();
  69
  70     cow_wrapper_client2( const cow_wrapper_client2& );
  71     cow_wrapper_client2& operator=( const cow_wrapper_client2& );
  72
  73     void modify( int nVal );
  74     int  queryUnmodified() const;
  75
  76     void makeUnique();
  77     bool is_unique() const;
  78     oslInterlockedCount use_count() const;
  79     void swap( cow_wrapper_client2& r );
  80
  81     bool operator==( const cow_wrapper_client2& rRHS ) const;
  82     bool operator!=( const cow_wrapper_client2& rRHS ) const;
  83     bool operator<( const cow_wrapper_client2& rRHS ) const;
  84
  85 private:
  86     o3tl::cow_wrapper< cow_wrapper_client2_impl > maImpl;
  87 };
  88
  89 /** test MT-safe cow_wrapper - basically the same as
  90     cow_wrapper_client2, only with different refcounting policy
  91  */
  92 class cow_wrapper_client3
  93 {
  94 public:
  95     cow_wrapper_client3();
  96     explicit cow_wrapper_client3( int nVal );
  97     ~cow_wrapper_client3();
  98
  99     cow_wrapper_client3( const cow_wrapper_client3& );
 100     cow_wrapper_client3& operator=( const cow_wrapper_client3& );
 101
 102     void modify( int nVal );
 103     int  queryUnmodified() const;
 104
 105     void makeUnique();
 106     bool is_unique() const;
 107     oslInterlockedCount use_count() const;
 108     void swap( cow_wrapper_client3& r );
 109
 110     bool operator==( const cow_wrapper_client3& rRHS ) const;
 111     bool operator!=( const cow_wrapper_client3& rRHS ) const;
 112     bool operator<( const cow_wrapper_client3& rRHS ) const;
 113
 114 private:
 115     o3tl::cow_wrapper< cow_wrapper_client2_impl, o3tl::ThreadSafeRefCountingPolicy > maImpl;
 116 };
 117
 118 /** test default-object comparison - have default-ctored-client4 share
 119     the same static impl instance, check if isDefault does the right
 120     thing
 121  */
 122 class cow_wrapper_client4
 123 {
 124 public:
 125     cow_wrapper_client4();
 126     explicit cow_wrapper_client4(int);
 127     ~cow_wrapper_client4();
 128
 129     cow_wrapper_client4( const cow_wrapper_client4& );
 130     cow_wrapper_client4& operator=( const cow_wrapper_client4& );
 131
 132     bool is_default() const;
 133
 134     bool operator==( const cow_wrapper_client4& rRHS ) const;
 135     bool operator!=( const cow_wrapper_client4& rRHS ) const;
 136     bool operator<( const cow_wrapper_client4& rRHS ) const;
 137
 138 private:
 139     o3tl::cow_wrapper< int > maImpl;
 140 };
 141
 142 } // namespace o3tltests
 143
 144 #endif /* INCLUDED_COW_WRAPPER_CLIENTS_HXX */
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */